CN211690814U - Shaped steel concrete column-girder steel connection structure - Google Patents
Shaped steel concrete column-girder steel connection structure Download PDFInfo
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- CN211690814U CN211690814U CN201922500509.3U CN201922500509U CN211690814U CN 211690814 U CN211690814 U CN 211690814U CN 201922500509 U CN201922500509 U CN 201922500509U CN 211690814 U CN211690814 U CN 211690814U
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Abstract
The utility model provides a shaped steel concrete column-girder steel connection structure, including shaped steel concrete column, first girder steel, power consumption spare and second girder steel, the one end of first girder steel with the lateral wall of shaped steel concrete column is connected, the other end with the one end of power consumption spare is connected, the other end of power consumption spare with the end connection of second girder steel, the yield strength of power consumption spare is less than the yield strength of first girder steel and the yield strength of second girder steel. The yield strength of the energy dissipation part is low, so that earthquake energy can be consumed in a concentrated mode, plastic deformation can be developed in a concentrated mode, the plastic deformation of the steel beam is low, the connecting node of the section steel concrete column and the steel beam is not prone to slipping or even being damaged, and the anti-seismic performance of the section steel concrete column-steel beam connecting structure is improved.
Description
Technical Field
The utility model relates to a building structure technical field especially relates to a shaped steel concrete post-girder steel connection structure.
Background
In recent years, a steel reinforced concrete column-steel beam connecting structure is rapidly developed in China, and the steel reinforced concrete column is a combined structure formed by using profile steel as a framework, configuring reinforcing steel bars around the profile steel and pouring concrete outside the profile steel. The section steel can increase holistic rigidity and intensity, and the concrete has the guard action to the skeleton, can prevent skeleton local buckling unstability to improve holistic stability. Compared with the common reinforced concrete beam, the steel beam has the advantages of higher strength, higher rigidity, better ductility, simple and convenient construction and the like. Therefore, the steel reinforced concrete column-steel beam connecting structure is obviously superior to a common reinforced concrete structure in the aspects of energy consumption, bearing capacity and the like. However, in an earthquake, the steel reinforced concrete column-steel beam connection structure mainly maintains the stability of the structure through the plastic deformation of the steel beam, but the excessive residual deformation after the earthquake can cause the connection node of the steel beam and the steel reinforced concrete column to easily slide and cause the insufficient bearing capacity of the connection node, and the requirement of continuous use cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shaped steel concrete column-girder steel connection structure, the plastic deformation through power consumption spare concentrates and consumes seismic energy, has solved the easy destroyed problem of connected node of shaped steel concrete column and girder steel.
In order to achieve the above object, the utility model provides a shaped steel concrete column-girder steel connection structure, including shaped steel concrete column, first girder steel, power consumption spare and second girder steel, the one end of first girder steel with the lateral wall of shaped steel concrete column is connected, the other end with the one end of power consumption spare is connected, the other end of power consumption spare with the end connection of second girder steel, the yield strength of power consumption spare is less than the yield strength of first girder steel and the yield strength of second girder steel.
Optionally, two ends of the energy consumption piece are detachably connected with the first steel beam and the second steel beam respectively.
Optionally, the end portions of the first steel beam and the second steel beam and the end portion of the energy dissipation member are connected through a first end plate and a second end plate, wherein the first end plate is welded to the end portions of the first steel beam and the second steel beam, the second end plate is welded to the end portion of the energy dissipation member, and the first end plate is in threaded connection with the second end plate.
Optionally, the energy consumption piece is provided with a plurality of stiffening plates.
Optionally, the stiffening plates are arranged at equal intervals along a length direction parallel to the first steel beam.
Optionally, the one end of first girder steel pass through the connecting piece with the lateral wall of shaped steel concrete column is connected, the connecting piece at least the part set up in the outside of first girder steel, just the one end of connecting piece with shaped steel welding in the shaped steel concrete column, the other end with the lateral wall welding of first girder steel.
Optionally, first girder steel includes top flange board, lower flange board and web, the both ends of web are connected respectively the top flange board with the lateral wall of lower flange board, the connecting piece includes first steel sheet and second steel sheet, first steel sheet and second steel sheet are located respectively top flange board and lower flange board are kept away from one side of web, just the both ends of first steel sheet respectively with top flange board reaches shaped steel welding in the shaped steel concrete column, the both ends of second steel sheet respectively with lower flange board reaches shaped steel welding in the shaped steel concrete column.
Optionally, the width of the middle part of the first steel plate and the second steel plate in the direction perpendicular to the length direction of the first steel beam is larger than the width of the two ends of the middle part of the first steel plate in the direction perpendicular to the length direction of the first steel beam.
Optionally, the web of the first steel beam is welded to the profile steel in the profile steel concrete column.
Optionally, the first steel beam, the energy dissipation part and the second steel beam are all made of profile steels of the same type, the cross-sectional area of the energy dissipation part is smaller than that of the first steel beam and that of the second steel beam, and the cross-sectional areas refer to areas of cross sections perpendicular to the length direction of the first steel beam.
The utility model provides a pair of among shaped steel concrete column-girder steel connection structure, including shaped steel concrete column, first girder steel, power consumption spare and second girder steel, the one end of first girder steel with the lateral wall of shaped steel concrete column is connected, the other end with the one end of power consumption spare is connected, the other end of power consumption spare with the end connection of second girder steel, the yield strength of power consumption spare is less than the yield strength of first girder steel and the yield strength of second girder steel. The yield strength of the energy dissipation part is low, so that earthquake energy can be consumed in a concentrated mode, plastic deformation can be developed in a concentrated mode, the plastic deformation of the steel beam is low, the connecting node of the section steel concrete column and the steel beam is not prone to slipping or even being damaged, and the anti-seismic performance of the section steel concrete column-steel beam connecting structure is improved.
Drawings
Fig. 1 is a perspective view of a steel reinforced concrete column-steel beam connection structure provided by an embodiment of the present invention;
fig. 2 is a top view of a steel reinforced concrete column-steel beam connection structure provided by an embodiment of the present invention;
wherein the reference numerals are:
10-steel concrete column; 20-a first steel beam; 30-energy consumption parts; 31-a stiffening plate; 40-a second steel beam; 50-connecting piece.
Detailed Description
The following description of the embodiments of the present invention will be described in more detail with reference to the drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1 and 2, the present embodiment provides a steel reinforced concrete column-steel beam connection structure, including a steel reinforced concrete column 10, a first steel beam 20, an energy dissipation member 30 and a second steel beam 40, wherein one end of the first steel beam 20 is connected to a sidewall of the steel reinforced concrete column 10, the other end of the first steel beam is connected to one end of the energy dissipation member 30, the other end of the energy dissipation member 30 is connected to an end of the second steel beam, and a yield strength of the energy dissipation member 30 is smaller than a yield strength of the first steel beam 20 and a yield strength of the second steel beam 40.
Wherein the X-axis represents a length direction of the first steel beam 20, the Y-axis represents a width direction of the first steel beam 20, and the Z-axis represents a height direction of the first steel beam.
Specifically, the first steel beam 20 and the second steel beam 40 are made of section steel, and the section steel includes, but is not limited to, H-section steel, i-section steel, angle steel, and the like, and may be other special-shaped steel. Meanwhile, the first steel beam 20 and the second steel beam 40 can be the same, namely, the same section steel is adopted, the shape and the size are the same, and the shape and the size can be different, so that the application does not limit the shape and the size. When the first steel beam 20 is the same as the second steel beam 40, the same section steel can be cut and separated into the first steel beam 20 and the second steel beam 40 according to the length requirement, and the same process parameters can be adopted for manufacturing the first steel beam 20 and the second steel beam 40 respectively, which is not limited in this application.
In this embodiment, the first steel beam 20 is the same as the second steel beam 40 and is H-shaped steel, and since each part of the H-shaped steel is arranged at a right angle, the H-shaped steel has the advantages of strong bending resistance, low cost and the like in each direction.
In this embodiment, the yield strength of the energy consumption member 30 is smaller than that of the first steel beam 20, and the yield strength of the energy consumption member 30 is smaller than that of the second steel beam 20, so that the energy consumption member 30 can perform centralized consumption on earthquake energy, reduce the deformation of the steel beams, avoid the slippage of a connection node of the steel-reinforced concrete column and the steel beams caused by the earthquake energy, and prolong the service life of the steel-reinforced concrete column-steel beam connection structure. In this embodiment, the energy dissipation member 30 is made of H-shaped steel, and the yield strength thereof is smaller than the yield strength of the first steel beam 20 and the second steel beam 40, and can be controlled by the production process. Of course, the energy dissipation member 30 may also be made of other steel sections, which may be selected according to the types of the first steel beam 20 and the second steel beam 40, so as to better dissipate the seismic energy. Meanwhile, the energy dissipation member 30 is generally disposed near the end of the steel beam, which is beneficial to the concentrated energy dissipation of the steel reinforced concrete column-steel beam connection structure through the energy dissipation member 30.
Optionally, the cross-sectional area of the energy dissipation member 30 is smaller than the cross-sectional area of the first steel beam 20, and the cross-sectional area of the energy dissipation member 30 is smaller than the cross-sectional area of the second steel beam 40, where the cross-sectional areas are both the cross-sectional areas along the direction perpendicular to the length direction of the first steel beam 20, that is, the cross-sectional areas are the cross-sectional areas along the Y-axis direction.
Optionally, both ends of the energy dissipation member 30 are detachably connected to the first steel beam 20 and the second steel beam 40, respectively. It can be understood that the energy consumption piece 30 intensively consumes earthquake energy due to plastic deformation under the action of an earthquake, so that the deformation influence of the earthquake energy on the steel concrete column-steel beam connecting structure is small, the energy consumption piece 30 can be conveniently replaced in a detachable connection mode, the problem that the steel concrete column-steel beam connecting structure cannot be continuously used due to overlarge residual deformation after the earthquake is solved, and the repair work of the steel concrete column-steel beam connecting structure after the earthquake is greatly simplified.
In this embodiment, the ends of the first steel beam 20 and the second steel beam 40 and the end of the energy dissipation member are connected through a first end plate and a second end plate, wherein the first end plate is welded to the ends of the first steel beam 20 and the second steel beam 40, and the second end plate is welded to the end of the energy dissipation member. In this embodiment, the first steel beam 20 and the second steel beam 40 are welded to the first end plate, and both ends of the energy dissipation member 30 are welded to the first end plate.
Referring to fig. 1, in this embodiment, the first steel beam 20 and the second steel beam 40 are the same H-shaped steel, the first steel beam 20 includes an upper flange plate, a lower flange plate, and a web plate located between the upper flange plate and the lower flange plate, two ends of the web plate are respectively connected to the side walls of the upper flange plate and the lower flange plate, the length of the first end plate along the Z axis is equal to the length between the upper flange plate and the lower flange plate, and the width of the first end plate along the Y axis is equal to the width of the upper flange plate, so that the welding area between the first end plate and the first steel beam 20 is maximized, the connection strength between the first steel beam and the first end plate is improved, and the occupied space of the first end plate is minimized.
Simultaneously, first end plate with the corresponding position department of second end plate all is provided with a plurality of through-holes, passes the bolt of high strength the through-hole is locked in order to realize the threaded connection between first end plate and the second end plate through the nut. When the energy dissipation member 30 needs to be replaced, the energy dissipation member 30 is replaced with a new energy dissipation member 30, and the corresponding end plate is connected, so that the first steel beam 20 and the second steel beam 40 can be connected. Moreover, the energy dissipation member 30 can be prefabricated and mass-produced, thereby greatly increasing the installation speed and the repair speed of the building structure.
With continued reference to fig. 1, the energy dissipation member 30 is provided with a plurality of stiffening plates 31. The stiffening plate 31 can effectively enhance the rigidity of the energy dissipation member 30, ensure the stability of the structure and improve the energy dissipation capability of the energy dissipation member 30.
Optionally, the stiffening plates 31 are disposed at equal intervals along a direction parallel to the length direction of the first steel beam 20. In this embodiment, the energy dissipation members 30 are H-shaped steel, and a plurality of transverse stiffening plates 31 are arranged at equal intervals along the X-axis, so as to uniformly enhance the rigidity of each position of the energy dissipation members 30.
Referring to fig. 1 and 2, the steel reinforced concrete column-steel beam connection structure further includes a connection member 50, the connection member 50 is at least partially disposed at an outer side of the first steel beam 20, and one end of the connection member 50 is welded to the section steel in the steel reinforced concrete column 10, and the other end is welded to a side wall of the first steel beam 20, so as to avoid a direct connection between the steel reinforced concrete column 10 and the first steel beam 20, thereby avoiding a problem that a connection node between the steel reinforced concrete column 10 and the first steel beam 20 is damaged due to sliding.
In this embodiment, the connecting member 50 includes a first steel plate and a second steel plate, which have the same size and are parallel to the upper flange plate of the first steel beam 20. First steel sheet and second steel sheet are located respectively top flange board and bottom flange board are kept away from one side of web, just the both ends of first steel sheet respectively with top flange board reaches shaped steel welding in the shaped steel concrete column 10, the both ends of second steel sheet respectively with bottom flange board reaches shaped steel welding in the shaped steel concrete column 10.
Optionally, the width of the middle portion of the first steel plate and the second steel plate in the direction perpendicular to the length direction of the first steel beam 20 is greater than the width of the two ends of the middle portion in the direction perpendicular to the length direction of the first steel beam. In this embodiment, the length of the middle part of the first steel plate and the second steel plate along the Y axis is greater than the length of the two ends of the first steel plate along the Y axis, so as to enhance the strength and the strength of the connecting member 50, and solve the problem that the connecting joint of the steel reinforced concrete column 10 and the first steel beam 20 is easy to be damaged due to an earthquake. Referring specifically to fig. 2, the first steel plate has an octagonal shape, and has a wider middle part than both sides.
Optionally, a web of the first steel beam 20 is welded to the profile steel in the profile steel concrete column 10, so as to improve the fastening degree of the profile steel concrete column-steel beam connection structure. In this embodiment, the web of the first steel beam 20 is welded to the profile steel in the profile steel concrete column 10 through a connecting plate.
To sum up, the embodiment of the utility model provides a shaped steel concrete column-girder steel connection structure, including shaped steel concrete column, first girder steel, power consumption spare and second girder steel, the one end of first girder steel with the lateral wall of shaped steel concrete column is connected, the other end with the one end of power consumption spare is connected, the other end of power consumption spare with the end connection of second girder steel, the yield strength of power consumption spare is less than the yield strength of first girder steel and the yield strength of second girder steel. The yield strength of the energy dissipation part is low, so that earthquake energy can be consumed in a concentrated mode, plastic deformation can be developed in a concentrated mode, the plastic deformation of the steel beam is low, the connecting node of the section steel concrete column and the steel beam is not prone to slipping or even being damaged, and the anti-seismic performance of the section steel concrete column-steel beam connecting structure is improved.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (10)
1. The structural steel concrete column-steel beam connecting structure is characterized by comprising a structural steel concrete column, a first steel beam, an energy consumption piece and a second steel beam, wherein one end of the first steel beam is connected with the side wall of the structural steel concrete column, the other end of the first steel beam is connected with one end of the energy consumption piece, the other end of the energy consumption piece is connected with the end portion of the second steel beam, and the yield strength of the energy consumption piece is smaller than that of the first steel beam and that of the second steel beam.
2. The steel reinforced concrete column-steel beam connection structure of claim 1, wherein both ends of the energy dissipation member are detachably connected to the first steel beam and the second steel beam, respectively.
3. The steel reinforced concrete column-steel beam connection structure of claim 2, wherein the ends of the first steel beam and the second steel beam and the end of the energy dissipation member are connected by a first end plate and a second end plate, wherein the first end plate is welded to the ends of the first steel beam and the second steel beam, the second end plate is welded to the end of the energy dissipation member, and the first end plate is screwed to the second end plate.
4. A steel reinforced concrete column-steel beam connection according to claim 1, wherein the energy dissipating member is provided with a plurality of stiffening plates.
5. A steel reinforced concrete column-steel beam connection structure as claimed in claim 4, wherein the stiffening plates are arranged at equal intervals in a direction parallel to the length direction of the first steel beam.
6. The steel reinforced concrete column-steel beam connection structure of claim 1, wherein one end of the first steel beam is connected with the side wall of the steel reinforced concrete column through a connecting member, the connecting member is at least partially arranged on the outer side of the first steel beam, one end of the connecting member is welded with the section steel in the steel reinforced concrete column, and the other end of the connecting member is welded with the side wall of the first steel beam.
7. The steel concrete column-steel beam connection structure according to claim 6, wherein the first steel beam comprises an upper flange plate, a lower flange plate and a web plate, two ends of the web plate are respectively connected with the side walls of the upper flange plate and the lower flange plate, the connecting member comprises a first steel plate and a second steel plate, the first steel plate and the second steel plate are respectively positioned on one sides of the upper flange plate and the lower flange plate, which are away from the web plate, two ends of the first steel plate are respectively welded with the upper flange plate and the section steel in the steel concrete column, and two ends of the second steel plate are respectively welded with the lower flange plate and the section steel in the steel concrete column.
8. The steel reinforced concrete column-steel beam connection structure of claim 7, wherein the width of the middle portion of the first steel plate and the second steel plate in the direction perpendicular to the length direction of the first steel beam is greater than the width of both ends thereof in the direction perpendicular to the length direction of the first steel beam.
9. The steel reinforced concrete column-steel beam connecting structure according to claim 7, wherein the web of the first steel beam is welded to the steel section in the steel reinforced concrete column.
10. The steel reinforced concrete column-steel beam connection structure of claim 1, wherein the first steel beam, the energy dissipation member and the second steel beam are made of the same type of steel, and the cross-sectional area of the energy dissipation member is smaller than that of the first steel beam and the cross-sectional area of the energy dissipation member is smaller than that of the second steel beam, the cross-sectional areas being the areas of the cross-sections in the direction perpendicular to the length direction of the first steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500509.3U CN211690814U (en) | 2019-12-31 | 2019-12-31 | Shaped steel concrete column-girder steel connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500509.3U CN211690814U (en) | 2019-12-31 | 2019-12-31 | Shaped steel concrete column-girder steel connection structure |
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| CN211690814U true CN211690814U (en) | 2020-10-16 |
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| CN201922500509.3U Active CN211690814U (en) | 2019-12-31 | 2019-12-31 | Shaped steel concrete column-girder steel connection structure |
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